/* 全局样式 */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
  }
  
  header {
    background-color: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
  }
  
  nav ul {
    list-style: none;
    padding: 0;
  }
  
  nav ul li {
    display: inline;
    margin: 0 10px;
  }
  
  nav ul li a {
    color: #fff;
    text-decoration: none;
  }
  
  .landing-page {
    background-color: #f4f4f4;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .welcome-text {
    text-align: center;
  }
  
  .welcome-text h1 {
    font-size: 48px;
    margin-bottom: 20px;
  }
  
  .welcome-text p {
    font-size: 20px;
    margin-bottom: 30px;
  }
  
  .cta-button {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
  }
  
  .cta-button:hover {
    background-color: #555;
  }
  
  /* 各部分样式 */
  section {
    padding: 60px 20px;
  }
  
  .container {
    max-width: 1000px;
    margin: 0 auto;
  }
  
  h2 {
    text-align: center;
    margin-bottom: 40px;
  }
  
  /* 技能部分 */
  .skills-list {
    display: flex;
    justify-content: space-around;
  }
  
  .skill-item {
    text-align: center;
    flex: 1;
    padding: 20px;
  }
  
  .skill-item h3 {
    background-color: #333;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
  }
  
  /* 项目部分 */
  .project-item {
    background-color: #f9f9f9;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
  }
  
  /* 联系方式部分 */
  form {
    display: flex;
    flex-direction: column;
    max-width: 600px;
    margin: 0 auto;
  }
  
  form label {
    margin-bottom: 5px;
  }
  
  form input,
  form textarea {
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  form button {
    padding: 10px;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 5px;
  }
  
  form button:hover {
    background-color: #555;
  }
  
  /* 页脚样式 */
  footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: #fff;
  }
  